Nortel Passport 7400, Hardware Installation, Maintenance, And Troubleshooting, Page: 192 / 438

192 Chapter 37 Hardware procedures
241-7401-240 5.2S1
Grounding a dc-powered 3-slot Passport switch
Ground a switch to protect both personnel and equipment.
Prerequisites
• Ensure that you have read and fully understand the grounding
requirements for your switch. For more information, see 241-7401-200
Passport 7400 Hardware Description. If you use a terminal in your
installation, you must ground both the outlet that provides power to the
terminal and the cabinet or rack to the same distribution panel.
Procedure steps
1 Connect the green/yellow ground cable (AWG #12 or #14) to the ground
stud located at the bottom left of the rear housing. See the figure
“Grounding a 3-slot Passport switch dc power supply” (page 193).
This wire must be the only wire secured by the nut provided. If you require
other grounds, attach the wires on top of the first ground nut and add
another nut to secure them.
2 If the switch is in a Passport cabinet, connect the other end of the
grounding cable to a grounding nut on the cabinet. See the figure
“Passport cabinet grounding points” (page 197).
If the switch is in a standard 19” rack, connect the other end of the
grounding cable to a ground point on the frame.
If the switch is desk-top or vertical mounted, connect the other end of the
grounding cable to the site ground window.
After you ground your switch, wear the antistatic wrist strap to protect the
switch and processor cards from electrostatic discharge.